HomeRepair guidesBefore installing, fill the pump intake and out-

Compatible — Before installing, fill the pump intake and out-

For these models: J8-JC Series, JB, JB-E, JB-JC, jB-M, jB-R, jC.

Before you start

  • NOTE: The Ie does not use a flapper valve.
  • NOTE: Some early pi8tlts had no 550 ATC mark on the fly-

Procedure

  1. 1. Checking the ignition breaker point gap.
  2. 2. Checking and cleaning spark plugs.
  3. 3. Inspecting both the low and hi tension wiring.
  4. 4. Checking the ignition timing.

Source: manual:967-0500_Onan_JB_JC_Genset_Engine__Magneciter_Gen-end_Service_Manual_11-1971_bestmanual.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.